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                        美多商城
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                            <b>1.</b>
                        
                        项目准备
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                            <b>1.1.</b>
                        
                        商业模式
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                            <b>1.2.</b>
                        
                        开发流程
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                            <b>1.3.</b>
                        
                        需求分析
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                            <b>1.4.</b>
                        
                        项目架构
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                            <b>1.5.</b>
                        
                        创建工程
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                            <b>1.6.</b>
                        
                        配置
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                            <b>2.</b>
                        
                        用户部分
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                            <b>2.1.</b>
                        
                        用户模型类
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                            <b>2.2.</b>
                        
                        注册业务接口分析
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                            <b>2.3.</b>
                        
                        图片验证码
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                            <b>2.4.</b>
                        
                        短信验证码
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                            <b>2.5.</b>
                        
                        跨域CORS
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                            <b>2.6.</b>
                        
                        使用Celery发送短信
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                            <b>2.7.</b>
                        
                        判断帐号是否存在
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                            <b>2.8.</b>
                        
                        注册
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                            <b>2.9.</b>
                        
                        JWT
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                            <b>2.10.</b>
                        
                        Django REST framework JWT
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                            <b>2.11.</b>
                        
                        登录
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                            <b>2.12.</b>
                        
                        QQ登录
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                            <b>2.12.1.</b>
                        
                        第一步
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                            <b>2.12.2.</b>
                        
                        第二步
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                            <b>2.12.3.</b>
                        
                        第三步
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                            <b>2.13.</b>
                        
                        用户中心个人信息
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                            <b>2.14.</b>
                        
                        邮件与验证
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                            <b>2.14.1.</b>
                        
                        Django发送邮件的方法
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                            <b>2.14.2.</b>
                        
                        保存邮箱并发送验证邮件
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                            <b>2.14.3.</b>
                        
                        验证邮箱链接
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                            <b>2.15.</b>
                        
                        收货地址
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                            <b>2.15.1.</b>
                        
                        省市区地址查询
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                            <b>2.15.2.</b>
                        
                        使用缓存
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                            <b>2.15.3.</b>
                        
                        用户地址管理
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        <li class="chapter " data-level="2.15.4" data-path="C02-Users/Address/UserAddressCode.html">
            
                
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                            <b>2.15.4.</b>
                        
                        用户地址代码
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                            <b>3.</b>
                        
                        商品部分
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                            <b>3.1.</b>
                        
                        数据表设计
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        <li class="chapter " data-level="3.2" data-path="C03-Goods/FastDFS.html">
            
                
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                            <b>3.2.</b>
                        
                        FastDFS分布式文件系统
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        <li class="chapter " data-level="3.3" data-path="C03-Goods/Docker/index.html">
            
                
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                            <b>3.3.</b>
                        
                        Docker使用
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        <li class="chapter " data-level="3.3.1" data-path="C03-Goods/Docker/Introduce.html">
            
                
                    <a href="../C03-Goods/Docker/Introduce.html">
                
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                            <b>3.3.1.</b>
                        
                        Docker简介
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        <li class="chapter " data-level="3.3.2" data-path="C03-Goods/Docker/InstallAndOperations.html">
            
                
                    <a href="../C03-Goods/Docker/InstallAndOperations.html">
                
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                            <b>3.3.2.</b>
                        
                        安装与操作
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        <li class="chapter " data-level="3.4" data-path="C03-Goods/FastDFSDocker.html">
            
                
                    <a href="../C03-Goods/FastDFSDocker.html">
                
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                            <b>3.4.</b>
                        
                        使用Docker安装FastDFS
                    </a>
            
            
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        <li class="chapter " data-level="3.5" data-path="C03-Goods/FastDFSClientAndDjangoFileSystem.html">
            
                
                    <a href="../C03-Goods/FastDFSClientAndDjangoFileSystem.html">
                
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                            <b>3.5.</b>
                        
                        FastDFS客户端与自定义文件存储系统
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        <li class="chapter " data-level="3.6" data-path="C03-Goods/CKEditor.html">
            
                
                    <a href="../C03-Goods/CKEditor.html">
                
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                            <b>3.6.</b>
                        
                        CKEditor富文本编辑器
                    </a>
            
            
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        <li class="chapter " data-level="3.7" data-path="C03-Goods/ImportGoodsData.html">
            
                
                    <a href="../C03-Goods/ImportGoodsData.html">
                
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                            <b>3.7.</b>
                        
                        添加测试数据
                    </a>
            
            
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        <li class="chapter " data-level="3.8" data-path="C03-Goods/FreezeHTML.html">
            
                
                    <a href="../C03-Goods/FreezeHTML.html">
                
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                            <b>3.8.</b>
                        
                        页面静态化
                    </a>
            
            
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        <li class="chapter " data-level="3.9" data-path="C03-Goods/DjangoCrontab.html">
            
                
                    <a href="../C03-Goods/DjangoCrontab.html">
                
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                            <b>3.9.</b>
                        
                        定时任务
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.10" data-path="C03-Goods/GenerateIndexHTMLScript.html">
            
                
                    <a href="../C03-Goods/GenerateIndexHTMLScript.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.10.</b>
                        
                        静态化首页的手动脚本
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.11" data-path="C03-Goods/GoodsDetail.html">
            
                
                    <a href="../C03-Goods/GoodsDetail.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.11.</b>
                        
                        商品详情页面
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.12" data-path="C03-Goods/UserBrowseHistory.html">
            
                
                    <a href="../C03-Goods/UserBrowseHistory.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.12.</b>
                        
                        用户浏览历史记录
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.13" data-path="C03-Goods/GoodsList.html">
            
                
                    <a href="../C03-Goods/GoodsList.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.13.</b>
                        
                        商品列表页
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.14" data-path="C03-Goods/GoodsSearch.html">
            
                
                    <a href="../C03-Goods/GoodsSearch.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.14.</b>
                        
                        商品搜索
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="4" data-path="C04-Cart/index.html">
            
                
                    <a href="../C04-Cart/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.</b>
                        
                        购物车部分
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="4.1" data-path="C04-Cart/DataStructureDesign.html">
            
                
                    <a href="../C04-Cart/DataStructureDesign.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.1.</b>
                        
                        购物车数据存储设计
                    </a>
            
            
        </li>
    
        <li class="chapter active" data-level="4.2" data-path="C04-Cart/Add.html">
            
                
                    <a href="../C04-Cart/Add.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.2.</b>
                        
                        购物车增加
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.3" data-path="C04-Cart/Query.html">
            
                
                    <a href="../C04-Cart/Query.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.3.</b>
                        
                        购物车查询
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.4" data-path="C04-Cart/Modify.html">
            
                
                    <a href="../C04-Cart/Modify.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.4.</b>
                        
                        购物车修改
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.5" data-path="C04-Cart/Delete.html">
            
                
                    <a href="../C04-Cart/Delete.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.5.</b>
                        
                        购物车删除
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.6" data-path="C04-Cart/SelectAll.html">
            
                
                    <a href="../C04-Cart/SelectAll.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.6.</b>
                        
                        购物车全选
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.7" data-path="C04-Cart/MergeCart.html">
            
                
                    <a href="../C04-Cart/MergeCart.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.7.</b>
                        
                        登录合并购物车
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="5" data-path="C05-Order/index.html">
            
                
                    <a href="../C05-Order/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.</b>
                        
                        订单部分
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="5.1" data-path="C05-Order/OrderDBModel.html">
            
                
                    <a href="../C05-Order/OrderDBModel.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.1.</b>
                        
                        订单数据库设计
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.2" data-path="C05-Order/PlaceOrder.html">
            
                
                    <a href="../C05-Order/PlaceOrder.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.2.</b>
                        
                        订单结算
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.3" data-path="C05-Order/SaveOrder.html">
            
                
                    <a href="../C05-Order/SaveOrder.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.3.</b>
                        
                        保存订单
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.4" data-path="C05-Order/OrderSuccess.html">
            
                
                    <a href="../C05-Order/OrderSuccess.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.4.</b>
                        
                        下单成功
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="6" data-path="C06-Pay/index.html">
            
                
                    <a href="../C06-Pay/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.</b>
                        
                        支付宝支付
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="6.1" data-path="C06-Pay/Alipay.html">
            
                
                    <a href="../C06-Pay/Alipay.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.1.</b>
                        
                        接入支付宝
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.2" data-path="C06-Pay/Paying.html">
            
                
                    <a href="../C06-Pay/Paying.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.2.</b>
                        
                        发起支付
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.3" data-path="C06-Pay/PaymentResult.html">
            
                
                    <a href="../C06-Pay/PaymentResult.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.3.</b>
                        
                        保存支付结果
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="7" data-path="C07-Xadmin.html">
            
                
                    <a href="../C07-Xadmin.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.</b>
                        
                        Xadmin
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8" data-path="C08-Permission.html">
            
                
                    <a href="../C08-Permission.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.</b>
                        
                        用户权限控制
                    </a>
            
            
        </li>
    


            
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                        <h1 id="&#x6DFB;&#x52A0;&#x5230;&#x8D2D;&#x7269;&#x8F66;">&#x6DFB;&#x52A0;&#x5230;&#x8D2D;&#x7269;&#x8F66;</h1>
<h3 id="1-&#x540E;&#x7AEF;&#x63A5;&#x53E3;&#x8BBE;&#x8BA1;">1. &#x540E;&#x7AEF;&#x63A5;&#x53E3;&#x8BBE;&#x8BA1;</h3>
<p><strong>&#x8BF7;&#x6C42;&#x65B9;&#x5F0F;</strong> &#xFF1A; POST  /cart/</p>
<p><strong>&#x8BF7;&#x6C42;&#x53C2;&#x6570;</strong>&#xFF1A; JSON &#x6216; &#x8868;&#x5355;</p>
<table>
<thead>
<tr>
<th>&#x53C2;&#x6570;</th>
<th>&#x7C7B;&#x578B;</th>
<th>&#x662F;&#x5426;&#x5FC5;&#x987B;</th>
<th>&#x8BF4;&#x660E;</th>
</tr>
</thead>
<tbody>
<tr>
<td>sku_id</td>
<td>int</td>
<td>&#x662F;</td>
<td>&#x5546;&#x54C1;sku id</td>
</tr>
<tr>
<td>count</td>
<td>int</td>
<td>&#x662F;</td>
<td>&#x6570;&#x91CF;</td>
</tr>
<tr>
<td>selected</td>
<td>bool</td>
<td>&#x5426;</td>
<td>&#x662F;&#x5426;&#x52FE;&#x9009;&#xFF0C;&#x9ED8;&#x8BA4;&#x52FE;&#x9009;</td>
</tr>
</tbody>
</table>
<p><strong>&#x8FD4;&#x56DE;&#x6570;&#x636E;</strong>&#xFF1A; JSON</p>
<table>
<thead>
<tr>
<th>&#x53C2;&#x6570;</th>
<th>&#x7C7B;&#x578B;</th>
<th>&#x662F;&#x5426;&#x5FC5;&#x987B;</th>
<th>&#x8BF4;&#x660E;</th>
</tr>
</thead>
<tbody>
<tr>
<td>sku_id</td>
<td>int</td>
<td>&#x662F;</td>
<td>&#x5546;&#x54C1;sku id</td>
</tr>
<tr>
<td>count</td>
<td>int</td>
<td>&#x662F;</td>
<td>&#x6570;&#x91CF;</td>
</tr>
<tr>
<td>selected</td>
<td>bool</td>
<td>&#x662F;</td>
<td>&#x662F;&#x5426;&#x52FE;&#x9009;&#xFF0C;&#x9ED8;&#x8BA4;&#x52FE;&#x9009;</td>
</tr>
</tbody>
</table>
<p><strong>&#x8BBF;&#x95EE;&#x6B64;&#x63A5;&#x53E3;&#xFF0C;&#x65E0;&#x8BBA;&#x7528;&#x6237;&#x662F;&#x5426;&#x767B;&#x5F55;&#xFF0C;&#x524D;&#x7AEF;&#x8BF7;&#x6C42;&#x90FD;&#x9700;&#x643A;&#x5E26;&#x8BF7;&#x6C42;&#x5934;Authorization&#xFF0C;&#x7531;&#x540E;&#x7AEF;&#x5224;&#x65AD;&#x662F;&#x5426;&#x767B;&#x5F55;</strong></p>
<h3 id="2--&#x540E;&#x7AEF;&#x5B9E;&#x73B0;">2.  &#x540E;&#x7AEF;&#x5B9E;&#x73B0;</h3>
<p><strong>&#x56E0;&#x4E3A;&#x524D;&#x7AEF;&#x53EF;&#x80FD;&#x643A;&#x5E26;cookie&#xFF0C;&#x4E3A;&#x4E86;&#x4FDD;&#x8BC1;&#x8DE8;&#x57DF;&#x8BF7;&#x6C42;&#x4E2D;&#xFF0C;&#x5141;&#x8BB8;&#x540E;&#x7AEF;&#x4F7F;&#x7528;cookie&#xFF0C;&#x786E;&#x4FDD;&#x5728;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x6709;&#x5982;&#x4E0B;&#x8BBE;&#x7F6E;</strong></p>
<pre><code class="lang-python">CORS_ALLOW_CREDENTIALS = <span class="hljs-keyword">True</span>
</code></pre>
<p>&#x521B;&#x5EFA;&#x5E94;&#x7528;carts&#x3002;</p>
<p>&#x5728;carts/serialziers.py&#x4E2D;&#x521B;&#x5EFA;&#x5E8F;&#x5217;&#x5316;&#x5668;</p>
<pre><code class="lang-python"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CartSerializer</span><span class="hljs-params">(serializers.Serializer)</span>:</span>
    <span class="hljs-string">&quot;&quot;&quot;
    &#x8D2D;&#x7269;&#x8F66;&#x6570;&#x636E;&#x5E8F;&#x5217;&#x5316;&#x5668;
    &quot;&quot;&quot;</span>
    sku_id = serializers.IntegerField(label=<span class="hljs-string">&apos;sku id &apos;</span>, min_value=<span class="hljs-number">1</span>)
    count = serializers.IntegerField(label=<span class="hljs-string">&apos;&#x6570;&#x91CF;&apos;</span>, min_value=<span class="hljs-number">1</span>)
    selected = serializers.BooleanField(label=<span class="hljs-string">&apos;&#x662F;&#x5426;&#x52FE;&#x9009;&apos;</span>, default=<span class="hljs-keyword">True</span>)

    <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">validate</span><span class="hljs-params">(self, data)</span>:</span>
        <span class="hljs-keyword">try</span>:
            sku = SKU.objects.get(id=data[<span class="hljs-string">&apos;sku_id&apos;</span>])
        <span class="hljs-keyword">except</span> SKU.DoesNotExist:
            <span class="hljs-keyword">raise</span> serializers.ValidationError(<span class="hljs-string">&apos;&#x5546;&#x54C1;&#x4E0D;&#x5B58;&#x5728;&apos;</span>)

        <span class="hljs-keyword">if</span> data[<span class="hljs-string">&apos;count&apos;</span>] &gt; sku.stock:
            <span class="hljs-keyword">raise</span> serializers.ValidationError(<span class="hljs-string">&apos;&#x5546;&#x54C1;&#x5E93;&#x5B58;&#x4E0D;&#x8DB3;&apos;</span>)

        <span class="hljs-keyword">return</span> data
</code></pre>
<p>&#x7F16;&#x5199;&#x89C6;&#x56FE;&#xFF1A;</p>
<p><strong>&#x6CE8;&#x610F;&#xFF1A;&#x56E0;&#x4E3A;&#x524D;&#x7AEF;&#x8BF7;&#x6C42;&#x65F6;&#x643A;&#x5E26;&#x4E86;Authorization&#x8BF7;&#x6C42;&#x5934;&#xFF08;&#x4E3B;&#x8981;&#x662F;JWT&#xFF09;&#xFF0C;&#x800C;&#x5982;&#x679C;&#x7528;&#x6237;&#x672A;&#x767B;&#x5F55;&#xFF0C;&#x6B64;&#x8BF7;&#x6C42;&#x5934;&#x7684;JWT&#x65E0;&#x610F;&#x4E49;&#xFF08;&#x6CA1;&#x6709;&#x503C;&#xFF09;&#xFF0C;&#x4E3A;&#x4E86;&#x9632;&#x6B62;REST framework&#x6846;&#x67B6;&#x5728;&#x9A8C;&#x8BC1;&#x6B64;&#x65E0;&#x610F;&#x4E49;&#x7684;JWT&#x65F6;&#x629B;&#x51FA;401&#x5F02;&#x5E38;&#xFF0C;&#x5728;&#x89C6;&#x56FE;&#x4E2D;&#x9700;&#x8981;&#x505A;&#x4E24;&#x4E2A;&#x5904;&#x7406;</strong></p>
<ul>
<li><strong>&#x91CD;&#x5199;perform_authentication()&#x65B9;&#x6CD5;&#xFF0C;&#x6B64;&#x65B9;&#x6CD5;&#x662F;REST framework&#x68C0;&#x67E5;&#x7528;&#x6237;&#x8EAB;&#x4EFD;&#x7684;&#x65B9;&#x6CD5;</strong></li>
<li><strong>&#x5728;&#x83B7;&#x53D6;request.user&#x5C5E;&#x6027;&#x65F6;&#x6355;&#x83B7;&#x5F02;&#x5E38;&#xFF0C;REST framework&#x5728;&#x8FD4;&#x56DE;user&#x65F6;&#xFF0C;&#x4F1A;&#x68C0;&#x67E5;Authorization&#x8BF7;&#x6C42;&#x5934;&#xFF0C;&#x65E0;&#x6548;&#x7684;Authorization&#x8BF7;&#x6C42;&#x5934;&#x4F1A;&#x5BFC;&#x81F4;&#x629B;&#x51FA;&#x5F02;&#x5E38;</strong></li>
</ul>
<p>&#x5728;carts/views.py&#x4E2D;&#x521B;&#x5EFA;&#x89C6;&#x56FE;</p>
<pre><code class="lang-python"><span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CartView</span><span class="hljs-params">(APIView)</span>:</span>
    <span class="hljs-string">&quot;&quot;&quot;
    &#x8D2D;&#x7269;&#x8F66;
    &quot;&quot;&quot;</span>
    <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">perform_authentication</span><span class="hljs-params">(self, request)</span>:</span>
        <span class="hljs-string">&quot;&quot;&quot;
        &#x91CD;&#x5199;&#x7236;&#x7C7B;&#x7684;&#x7528;&#x6237;&#x9A8C;&#x8BC1;&#x65B9;&#x6CD5;&#xFF0C;&#x4E0D;&#x5728;&#x8FDB;&#x5165;&#x89C6;&#x56FE;&#x524D;&#x5C31;&#x68C0;&#x67E5;JWT
        &quot;&quot;&quot;</span>
        <span class="hljs-keyword">pass</span>

    <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">post</span><span class="hljs-params">(self, request)</span>:</span>
        <span class="hljs-string">&quot;&quot;&quot;
        &#x8D2D;&#x7269;&#x8F66;&#x8BB0;&#x5F55;&#x6DFB;&#x52A0;
        &quot;&quot;&quot;</span>
        <span class="hljs-comment"># 1. &#x83B7;&#x53D6;&#x53C2;&#x6570;(sku_id, count, selected)&#x5E76;&#x8FDB;&#x884C;&#x53C2;&#x6570;&#x6821;&#x9A8C;</span>
        serializer = CartSerializer(data=request.data)
        serializer.is_valid(raise_exception=<span class="hljs-keyword">True</span>)

        sku_id = serializer.validated_data[<span class="hljs-string">&apos;sku_id&apos;</span>]
        count = serializer.validated_data[<span class="hljs-string">&apos;count&apos;</span>]
        selected = serializer.validated_data[<span class="hljs-string">&apos;selected&apos;</span>]

        <span class="hljs-comment"># &#x83B7;&#x53D6;&#x767B;&#x5F55;&#x7528;&#x6237;</span>
        <span class="hljs-keyword">try</span>:
            user = request.user
        <span class="hljs-keyword">except</span> Exception <span class="hljs-keyword">as</span> e:
            user = <span class="hljs-keyword">None</span>

        <span class="hljs-keyword">if</span> user <span class="hljs-keyword">and</span> user.is_authenticated:
            <span class="hljs-comment"># 2. &#x4FDD;&#x5B58;&#x7528;&#x6237;&#x7684;&#x8D2D;&#x7269;&#x8F66;&#x8BB0;&#x5F55;</span>
            redis_conn = get_redis_connection(<span class="hljs-string">&apos;cart&apos;</span>)
            pipeline = redis_conn.pipeline()
            cart_key = <span class="hljs-string">&apos;cart_%s&apos;</span> % user.id

            <span class="hljs-comment"># &#x4FDD;&#x5B58;&#x8D2D;&#x7269;&#x8F66;&#x4E2D;&#x5546;&#x54C1;&#x53CA;&#x6570;&#x91CF;</span>
            pipeline.hincrby(cart_key, sku_id, count)

            <span class="hljs-comment"># &#x4FDD;&#x5B58;&#x8D2D;&#x7269;&#x8F66;&#x4E2D;&#x5546;&#x54C1;&#x7684;&#x9009;&#x4E2D;&#x72B6;&#x6001;</span>
            cart_selected_key = <span class="hljs-string">&apos;cart_selected_%s&apos;</span> % user.id
            <span class="hljs-keyword">if</span> selected:
                pipeline.sadd(cart_selected_key, sku_id)

            pipeline.execute()

            <span class="hljs-comment"># 3. &#x8FD4;&#x56DE;&#x5E94;&#x7B54;&#xFF0C;&#x4FDD;&#x5B58;&#x8D2D;&#x7269;&#x8F66;&#x8BB0;&#x5F55;&#x6210;&#x529F;</span>
            <span class="hljs-keyword">return</span> Response(serializer.data, status=status.HTTP_201_CREATED)
        <span class="hljs-keyword">else</span>:
            <span class="hljs-comment"># &#x83B7;&#x53D6;&#x5BA2;&#x6237;&#x7AEF;&#x53D1;&#x9001;&#x7684;cookie&#x4FE1;&#x606F;</span>
            cookie_cart = request.COOKIES.get(<span class="hljs-string">&apos;cart&apos;</span>)

            <span class="hljs-keyword">if</span> cookie_cart:
                <span class="hljs-comment"># &#x5BF9;cookie&#x6570;&#x636E;&#x8FDB;&#x884C;&#x89E3;&#x6790;</span>
                cart_dict = pickle.loads(base64.b64decode(cookie_cart))
            <span class="hljs-keyword">else</span>:
                cart_dict = {}

            <span class="hljs-keyword">if</span> sku_id <span class="hljs-keyword">in</span> cart_dict:
                count += cart_dict[sku_id][<span class="hljs-string">&apos;count&apos;</span>]

            cart_dict[sku_id] = {
                <span class="hljs-string">&apos;count&apos;</span>: count,
                <span class="hljs-string">&apos;selected&apos;</span>: selected
            }

            <span class="hljs-comment"># &#x5BF9;cart_dict&#x6570;&#x636E;&#x8FDB;&#x884C;&#x5904;&#x7406;</span>
            cart_data = base64.b64encode(pickle.dumps(cart_dict)).decode()

            response = Response(serializer.data, status=status.HTTP_201_CREATED)
            response.set_cookie(<span class="hljs-string">&apos;cart&apos;</span>, cart_data, max_age=constants.CART_COOKIE_EXPIRES)
            <span class="hljs-keyword">return</span> response
</code></pre>
<p>&#x5728;carts&#x4E2D;&#x65B0;&#x5EFA;constants.py &#x5E38;&#x91CF;&#x6587;&#x4EF6;</p>
<pre><code class="lang-python"><span class="hljs-comment"># &#x8D2D;&#x7269;&#x8F66;cookie&#x7684;&#x6709;&#x6548;&#x671F;</span>
CART_COOKIE_EXPIRES = <span class="hljs-number">365</span> * <span class="hljs-number">24</span> * <span class="hljs-number">60</span> * <span class="hljs-number">60</span>
</code></pre>
<h3 id="3-&#x524D;&#x7AEF;&#x5B9E;&#x73B0;">3. &#x524D;&#x7AEF;&#x5B9E;&#x73B0;</h3>
<p>&#x5728;detail.js&#x4E2D;&#x7F16;&#x5199;&#x6DFB;&#x52A0;&#x8D2D;&#x7269;&#x8F66;&#x7684;&#x8C03;&#x7528;</p>
<p><strong>&#x6CE8;&#x610F;&#xFF1A;&#x524D;&#x7AEF;&#x5728;&#x6B64;&#x8DE8;&#x57DF;&#x8BF7;&#x6C42;&#x4E2D;&#x8981;&#x643A;&#x5E26;cookie&#xFF0C;&#x9700;&#x8981;&#x5728;axios&#x4E2D;&#x6DFB;&#x52A0;&#x914D;&#x7F6E;withCredentials: true</strong></p>
<pre><code class="lang-js">         <span class="hljs-comment">// &#x6DFB;&#x52A0;&#x8D2D;&#x7269;&#x8F66;</span>
        add_cart: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
            axios.post(<span class="hljs-keyword">this</span>.host+<span class="hljs-string">&apos;/cart/&apos;</span>, {
                    sku_id: <span class="hljs-built_in">parseInt</span>(<span class="hljs-keyword">this</span>.sku_id),
                    count: <span class="hljs-keyword">this</span>.sku_count
                }, {
                    headers: {
                        <span class="hljs-string">&apos;Authorization&apos;</span>: <span class="hljs-string">&apos;JWT &apos;</span> + <span class="hljs-keyword">this</span>.token
                    },
                    responseType: <span class="hljs-string">&apos;json&apos;</span>,
                    withCredentials: <span class="hljs-literal">true</span>
                })
                .then(response =&gt; {
                    alert(<span class="hljs-string">&apos;&#x6DFB;&#x52A0;&#x8D2D;&#x7269;&#x8F66;&#x6210;&#x529F;&apos;</span>);
                    <span class="hljs-keyword">this</span>.cart_total_count += response.data.count;
                })
                .catch(error =&gt; {
                    <span class="hljs-keyword">if</span> (<span class="hljs-string">&apos;non_field_errors&apos;</span> <span class="hljs-keyword">in</span> error.response.data) {
                        alert(error.response.data.non_field_errors[<span class="hljs-number">0</span>]);
                    } <span class="hljs-keyword">else</span> {
                        alert(<span class="hljs-string">&apos;&#x6DFB;&#x52A0;&#x8D2D;&#x7269;&#x8F66;&#x5931;&#x8D25;&apos;</span>);
                    }
                    <span class="hljs-built_in">console</span>.log(error.response.data);
                })
        },
</code></pre>

                    
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